Jonathan Engelstad
ID 104737
Born : 1971 Cat. M55 Ultrarunner since 1999 USA
48
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
53
DUV-index+ ?Largest integer N such that the race distances provide at least N complete segments of N km in total. A single long race may therefore contribute several segments. See the DUV-Index tab for the detailed calculation. calculation details
1
Countries visited ?USAUnited States
36,6%
Rank quotient ?This runner's calculation uses 51 eligible race(s): Σ(rank − 1) = 820; Σ finishers = 2 240. 820 / 2 240 × 100 = 36.61%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed51
Km — ultra races4 688 km
> 100 km11
> 160 km10
> 200 km2
> 24h4
> 48h2
Longest race395,9 km
2nd Front Range Ultra Dayze 100h — 28/8/2025

Km per year (ultra races)

649
4 races
2022
290
4 races
2023
739
7 races
2024
1 114
9 races
2025
594
3 races
2026

Race types (share of distance)

Road24,1%
Trail75,9%

Wins & podiums (ultra)

🏆 Win0
🏆 Win M1
🏅 Top 36
🏅 Top 3 M7
Longest winning streak0
Current streak0

Records

50 km4h16'12100 km10h41'0050 mi9h13'56100 mi24h28'1512 h60,83 km

HISTORY

51 race(s)
DateRacePerf.Rk
2026
03.09 100h USA3rd Front Range Ultra Dayze 100h 357.274 km5
21.02 15h USA9th Stories Ultra 15 Hour Run 75.639 km9
14.02 100mi USA7th Flat Top Mesa 100 Mile Endurance Run 34:30:00 h3 🥉
2025
18.10 55km USA12th Indian Creek Fifties - 55 km 9:16:00 h25
27.09 100km USA8th Sangre de Cristo Ultra 100 km Race 10:41:00 h2 🥈
28.08 100h USA2nd Front Range Ultra Dayze 100h 395.898 km4
22.08 100mi USA1st NoCo Urban Ultra and Relay 24:28:15 h8
02.08 50km USA11th Sheep Mountain 50 km Endurance Run 9:32:00 h33
11.07 100km USA11th Silverheels Trail Run - 100km 22:13:00 h14
14.06 43mi USA1st Summits Trail Runs 12:49:00 h7
17.05 12h USA5th ENDURE 12 Hour Race 60.833 km22
15.02 30h USA8th Stories Ultra 30 Hour Run 121.795 km2 🥈
2024
07.12 55km USA8th Sawmill 55k Race 8:57:00 h25
12.10 50mi USA11th Indian Creek Fifties - 50 Miles 15:09:00 h17
28.09 100km USA7th Sangre de Cristo Ultra 100 km Race 23:19:00 h16
29.08 100mi USA1st Front Range Ultra Dayze 100Miles 2d 00:33:26 h18
12.07 100km USA10th Silverheels Trail Run - 100km 24:03:00 h25
15.06 50mi USA3rd Cuchara Trail Runs 50mile 16:30:00 h7
17.02 30h USA7th Stories Ultra 30 Hour Run 161.948 km3 🥉
2023
02.12 55km USA7th Sawmill 55k Race 11:03:53 h28
20.10 55km USA1st Latino Ultra Nature Adventure 8:45:00 h13
23.09 100km USA6th Sangre de Cristo Ultra 100 km Race 22:47:00 h16
05.08 50mi USA9th Sheep Mountain 50 Mile Endurance Run 15:54:00 h24
2022
09.07 103mi USA8th Silverheels Trail Run - 100mi 30:08:00 h8
09.04 100mi USA11th The Zion 100 Mile Run 29:34:00 h53
12.03 100mi USA8th Antelope Canyon 100 Mile Race 27:35:04 h17
11.02 100mi USA4th Grandmaster Ultras 100 Mile Run 25:37:43 h5
2004
27.11 28mi USA20th Quad Dipsea Trail Run 5:44:22 h55
06.11 50km USA9th Helen Klein Ultra Classic 50km 4:16:12 h2 🥈
07.08 50km USA3rd Big Basin Redwoods Trail Run 6:10:53 h8
01.08 50km USA23rd Skyline 50k Endurance Run 4:48:49 h18
17.07 50km USA2nd Santa Cruz Mountains 50 km 5:47:50 h7
03.07 50km USA2nd Angel Island 50k 5:08:10 h9
19.06 50km USA2nd Skyline Ridge Trail Run 5:25:57 h12
05.06 50km USA4th Mount Diablo 50K 7:11:12 h17
16.05 50km USA17th Ohlone 50K Wilderness Run 6:56:40 h44
08.05 50km USA21st Quicksilver 50 km Endurance Run 5:07:49 h8
27.03 50km USA3rd Pirates Cove Trail Run 5:52:03 h14
21.03 50km USA3rd Stevens Creek Striders 50K 5:39:27 h14
07.02 50km USA3rd Woodside Trail Run 50K 5:42:31 h22
17.01 30mi USA3rd Frozen Ass Trail 30 Mile 5:13:42 h12
10.01 53km USA25th Epiphany Ultras - The Popular But Wussy Metric 5:34:00 h6
03.01 50km USA2nd Angel Island 50k 5:26:56 h5
2003
20.12 50km USAMuir Beach Trail Run 5:55:40 h6
29.11 28mi USA19th Quad Dipsea Trail Run 5:45:28 h63
15.11 50km USA1st Stinson Beach 50 km 5:13:01 h6
11.10 50mi USA21st Dick Collins Firetrails 50 Mile 9:13:56 h34
04.10 50km USA1st Carmel Valley 50K 6:31:23 h3 🥉
2002
05.10 50km USA1st Big Basin Redwoods Trail Run 6:44:46 h14
1999
10.04 50mi USA5th Umstead Endurance Run 50 Miles 12:15:26 h68
16.01 100km USA1st Withlacoochee Rails to Trails 100 km Run 11:53:26 h15